Home / 185,998.55-256,680.15-103,214.23

Finding the Fourth Proportional to 185,998.55, 256,680.15 and 103,214.23

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Solution

The fourth proportional to 185,998.55, 256,680.15 and 103,214.23 is: 142,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,998.55 : 256,680.15 = 103,214.23 : x
  2. Step 2: Convert to fraction form
    185,998.55/256,680.15 = 103,214.23/x
  3. Step 3: Cross multiply
    185,998.55x = 256,680.15 × 103,214.23
  4. Step 4: Simplify right side
    185,998.55x = 26,493,044,746.44
  5. Step 5: Solve for x
    x = 26,493,044,746.44/185,998.55
  6. Step 6: Final answer
    x = 142,436.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.